2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Read/Write SMTPE DPX Image Format %
20 % Copyright 1999-2008 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
26 % http://www.imagemagick.org/script/license.php %
28 % Unless required by applicable law or agreed to in writing, software %
29 % distributed under the License is distributed on an "AS IS" BASIS, %
30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
31 % See the License for the specific language governing permissions and %
32 % limitations under the License. %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
42 #include "magick/studio.h"
43 #include "magick/blob.h"
44 #include "magick/blob-private.h"
45 #include "magick/cache.h"
46 #include "magick/colorspace.h"
47 #include "magick/exception.h"
48 #include "magick/exception-private.h"
49 #include "magick/geometry.h"
50 #include "magick/image.h"
51 #include "magick/image-private.h"
52 #include "magick/list.h"
53 #include "magick/magick.h"
54 #include "magick/memory_.h"
55 #include "magick/module.h"
56 #include "magick/monitor.h"
57 #include "magick/monitor-private.h"
58 #include "magick/option.h"
59 #include "magick/profile.h"
60 #include "magick/property.h"
61 #include "magick/quantum-private.h"
62 #include "magick/static.h"
63 #include "magick/string_.h"
64 #include "magick/string-private.h"
71 UserDefinedColorimetric = 0,
72 PrintingDensityColorimetric = 1,
73 LinearColorimetric = 2,
74 LogarithmicColorimetric = 3,
75 UnspecifiedVideoColorimetric = 4,
76 SMTPE_274MColorimetric = 5,
77 ITU_R709Colorimetric = 6,
78 ITU_R601_625LColorimetric = 7,
79 ITU_R601_525LColorimetric = 8,
80 NTSCCompositeVideoColorimetric = 9,
81 PALCompositeVideoColorimetric = 10,
82 ZDepthLinearColorimetric = 11,
83 DepthHomogeneousColorimetric = 12
88 UndefinedComponentType = 0,
90 GreenComponentType = 2,
91 BlueComponentType = 3,
92 AlphaComponentType = 4,
93 LumaComponentType = 6,
94 ColorDifferenceCbCrComponentType = 7,
95 DepthComponentType = 8,
96 CompositeVideoComponentType = 9,
97 RGBComponentType = 50,
98 RGBAComponentType = 51,
99 ABGRComponentType = 52,
100 CbYCrY422ComponentType = 100,
101 CbYACrYA4224ComponentType = 101,
102 CbYCr444ComponentType = 102,
103 CbYCrA4444ComponentType = 103,
104 UserDef2ElementComponentType = 150,
105 UserDef3ElementComponentType = 151,
106 UserDef4ElementComponentType = 152,
107 UserDef5ElementComponentType = 153,
108 UserDef6ElementComponentType = 154,
109 UserDef7ElementComponentType = 155,
110 UserDef8ElementComponentType = 156
113 typedef struct _DPXFileInfo
143 typedef struct _DPXFilmInfo
168 typedef struct _DPXImageElement
196 end_of_image_padding;
202 typedef struct _DPXImageInfo
219 typedef struct _DPXOrientationInfo
247 } DPXOrientationInfo;
249 typedef struct _DPXTelevisionInfo
262 horizontal_sample_rate,
263 vertical_sample_rate,
277 typedef struct _DPXUserInfo
283 typedef struct DPXInfo
305 Forward declaractions.
307 static MagickBooleanType
308 WriteDPXImage(const ImageInfo *,Image *);
311 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
319 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
321 % IsDPX() returns MagickTrue if the image format type, identified by the
322 % magick string, is DPX.
324 % The format of the IsDPX method is:
326 % MagickBooleanType IsDPX(const unsigned char *magick,const size_t extent)
328 % A description of each parameter follows:
330 % o magick: compare image format pattern against these bytes.
332 % o extent: Specifies the extent of the magick string.
335 static MagickBooleanType IsDPX(const unsigned char *magick,const size_t extent)
339 if (memcmp(magick,"SDPX",4) == 0)
341 if (memcmp(magick,"XPDS",4) == 0)
347 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
351 % R e a d D P X I m a g e %
355 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
357 % ReadDPXImage() reads an DPX X image file and returns it. It
358 % allocates the memory necessary for the new Image structure and returns a
359 % pointer to the new image.
361 % The format of the ReadDPXImage method is:
363 % Image *ReadDPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
365 % A description of each parameter follows:
367 % o image_info: the image info.
369 % o exception: return any errors or warnings in this structure.
373 static size_t GetBytesPerRow(unsigned long columns,
374 unsigned long samples_per_pixel,unsigned long bits_per_pixel,
375 MagickBooleanType pad)
380 switch (bits_per_pixel)
384 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
385 bits_per_pixel+31)/32);
391 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
392 bits_per_pixel+31)/32);
397 if (pad == MagickFalse)
399 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
400 bits_per_pixel+31)/32);
403 bytes_per_row=4*(((size_t) (32*((samples_per_pixel*columns+2)/3))+31)/32);
408 if (pad == MagickFalse)
410 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
411 bits_per_pixel+31)/32);
414 bytes_per_row=2*(((size_t) (16*samples_per_pixel*columns)+15)/16);
419 bytes_per_row=2*(((size_t) samples_per_pixel*columns*
420 bits_per_pixel+8)/16);
425 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
426 bits_per_pixel+31)/32);
431 bytes_per_row=8*(((size_t) samples_per_pixel*columns*
432 bits_per_pixel+63)/64);
436 return(bytes_per_row);
439 static inline MagickBooleanType IsFloatDefined(const float value)
450 quantum.unsigned_value=0U;
451 quantum.float_value=(double) value;
452 if (quantum.unsigned_value == 0U)
457 static void SetPrimaryChromaticity(const DPXColorimetric colorimetric,
458 ChromaticityInfo *chromaticity_info)
462 case SMTPE_274MColorimetric:
463 case ITU_R709Colorimetric:
465 chromaticity_info->red_primary.x=0.640;
466 chromaticity_info->red_primary.y=0.330;
467 chromaticity_info->red_primary.z=0.030;
468 chromaticity_info->green_primary.x=0.300;
469 chromaticity_info->green_primary.y=0.600;
470 chromaticity_info->green_primary.z=0.100;
471 chromaticity_info->blue_primary.x=0.150;
472 chromaticity_info->blue_primary.y=0.060;
473 chromaticity_info->blue_primary.z=0.790;
474 chromaticity_info->white_point.x=0.3127;
475 chromaticity_info->white_point.y=0.3290;
476 chromaticity_info->white_point.z=0.3582;
479 case NTSCCompositeVideoColorimetric:
481 chromaticity_info->red_primary.x=0.67;
482 chromaticity_info->red_primary.y=0.33;
483 chromaticity_info->red_primary.z=0.00;
484 chromaticity_info->green_primary.x=0.21;
485 chromaticity_info->green_primary.y=0.71;
486 chromaticity_info->green_primary.z=0.08;
487 chromaticity_info->blue_primary.x=0.14;
488 chromaticity_info->blue_primary.y=0.08;
489 chromaticity_info->blue_primary.z=0.78;
490 chromaticity_info->white_point.x=0.310;
491 chromaticity_info->white_point.y=0.316;
492 chromaticity_info->white_point.z=0.374;
495 case PALCompositeVideoColorimetric:
497 chromaticity_info->red_primary.x=0.640;
498 chromaticity_info->red_primary.y=0.330;
499 chromaticity_info->red_primary.z=0.030;
500 chromaticity_info->green_primary.x=0.290;
501 chromaticity_info->green_primary.y=0.600;
502 chromaticity_info->green_primary.z=0.110;
503 chromaticity_info->blue_primary.x=0.150;
504 chromaticity_info->blue_primary.y=0.060;
505 chromaticity_info->blue_primary.z=0.790;
506 chromaticity_info->white_point.x=0.3127;
507 chromaticity_info->white_point.y=0.3290;
508 chromaticity_info->white_point.z=0.3582;
516 static void TimeCodeToString(const unsigned long timestamp,char *code)
528 for (i=0; i <= TimeFields; i++)
530 (void) FormatMagickString(code,MaxTextExtent-strlen(code),"%x",
531 (unsigned int) ((timestamp >> shift) & 0x0fU));
533 if (((i % 2) != 0) && (i < TimeFields))
540 static Image *ReadDPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
547 value[MaxTextExtent];
589 assert(image_info != (const ImageInfo *) NULL);
590 assert(image_info->signature == MagickSignature);
591 if (image_info->debug != MagickFalse)
592 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
593 image_info->filename);
594 assert(exception != (ExceptionInfo *) NULL);
595 assert(exception->signature == MagickSignature);
596 image=AcquireImage(image_info);
597 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
598 if (status == MagickFalse)
600 image=DestroyImageList(image);
601 return((Image *) NULL);
604 Read DPX file header.
607 count=ReadBlob(image,4,(unsigned char *) magick);
609 if ((count != 4) || ((LocaleNCompare(magick,"SDPX",4) != 0) &&
610 (LocaleNCompare((char *) magick,"XPDS",4) != 0)))
611 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
612 image->endian=LSBEndian;
613 if (LocaleNCompare(magick,"SDPX",4) == 0)
614 image->endian=MSBEndian;
615 (void) ResetMagickMemory(&dpx,0,sizeof(dpx));
616 dpx.file.image_offset=ReadBlobLong(image);
618 offset+=ReadBlob(image,sizeof(dpx.file.version),(unsigned char *)
620 (void) FormatImageProperty(image,"dpx:file.version","%.8s",dpx.file.version);
621 dpx.file.file_size=ReadBlobLong(image);
623 dpx.file.ditto_key=ReadBlobLong(image);
625 if (dpx.file.ditto_key != ~0U)
626 (void) FormatImageProperty(image,"dpx:file.ditto.key","%u",
628 dpx.file.generic_size=ReadBlobLong(image);
630 dpx.file.industry_size=ReadBlobLong(image);
632 dpx.file.user_size=ReadBlobLong(image);
634 offset+=ReadBlob(image,sizeof(dpx.file.filename),(unsigned char *)
636 (void) FormatImageProperty(image,"dpx:file.filename","%.100s",
638 (void) FormatImageProperty(image,"document","%.100s",dpx.file.filename);
639 offset+=ReadBlob(image,sizeof(dpx.file.timestamp),(unsigned char *)
641 if (*dpx.file.timestamp != '\0')
642 (void) FormatImageProperty(image,"dpx:file.timestamp","%.24s",
644 offset+=ReadBlob(image,sizeof(dpx.file.creator),(unsigned char *)
646 if (*dpx.file.creator != '\0')
648 (void) FormatImageProperty(image,"dpx:file.creator","%.100s",
650 (void) FormatImageProperty(image,"software","%.100s",dpx.file.creator);
652 offset+=ReadBlob(image,sizeof(dpx.file.project),(unsigned char *)
654 if (*dpx.file.project != '\0')
656 (void) FormatImageProperty(image,"dpx:file.project","%.200s",
658 (void) FormatImageProperty(image,"comment","%.100s",dpx.file.project);
660 offset+=ReadBlob(image,sizeof(dpx.file.copyright),(unsigned char *)
662 if (*dpx.file.copyright != '\0')
664 (void) FormatImageProperty(image,"dpx:file.copyright","%.200s",
666 (void) FormatImageProperty(image,"copyright","%.100s",
669 dpx.file.encrypt_key=ReadBlobLong(image);
671 if (dpx.file.encrypt_key != ~0U)
672 (void) FormatImageProperty(image,"dpx:file.encrypt_key","%u",
673 dpx.file.encrypt_key);
674 offset+=ReadBlob(image,sizeof(dpx.file.reserve),(unsigned char *)
677 Read DPX image header.
679 dpx.image.orientation=ReadBlobShort(image);
681 if (dpx.image.orientation != (unsigned short) (~0U))
682 (void) FormatImageProperty(image,"dpx:image.orientation","%d",
683 dpx.image.orientation);
684 switch (dpx.image.orientation)
687 case 0: image->orientation=TopLeftOrientation; break;
688 case 1: image->orientation=TopRightOrientation; break;
689 case 2: image->orientation=BottomLeftOrientation; break;
690 case 3: image->orientation=BottomRightOrientation; break;
691 case 4: image->orientation=LeftTopOrientation; break;
692 case 5: image->orientation=RightTopOrientation; break;
693 case 6: image->orientation=LeftBottomOrientation; break;
694 case 7: image->orientation=RightBottomOrientation; break;
696 dpx.image.number_elements=ReadBlobShort(image);
698 dpx.image.pixels_per_line=ReadBlobLong(image);
700 image->columns=dpx.image.pixels_per_line;
701 dpx.image.lines_per_element=ReadBlobLong(image);
703 image->rows=dpx.image.lines_per_element;
704 for (i=0; i < 8; i++)
706 dpx.image.image_element[i].data_sign=ReadBlobLong(image);
708 dpx.image.image_element[i].low_data=ReadBlobLong(image);
710 dpx.image.image_element[i].low_quantity=ReadBlobFloat(image);
712 dpx.image.image_element[i].high_data=ReadBlobLong(image);
714 dpx.image.image_element[i].high_quantity=ReadBlobFloat(image);
716 dpx.image.image_element[i].descriptor=(unsigned char) ReadBlobByte(image);
718 dpx.image.image_element[i].transfer=(unsigned char) ReadBlobByte(image);
720 dpx.image.image_element[i].colorimetric=(unsigned char) ReadBlobByte(image);
722 dpx.image.image_element[i].bit_size=(unsigned char) ReadBlobByte(image);
724 dpx.image.image_element[i].packing=ReadBlobShort(image);
726 dpx.image.image_element[i].encoding=ReadBlobShort(image);
728 dpx.image.image_element[i].data_offset=ReadBlobLong(image);
730 dpx.image.image_element[i].end_of_line_padding=ReadBlobLong(image);
732 dpx.image.image_element[i].end_of_image_padding=ReadBlobLong(image);
734 offset+=ReadBlob(image,sizeof(dpx.image.image_element[i].description),
735 (unsigned char *) dpx.image.image_element[i].description);
737 SetPrimaryChromaticity((DPXColorimetric)
738 dpx.image.image_element[0].colorimetric,&image->chromaticity);
739 offset+=ReadBlob(image,sizeof(dpx.image.reserve),(unsigned char *)
741 component_type=dpx.image.image_element[0].descriptor;
742 image->depth=dpx.image.image_element[0].bit_size;
743 if (dpx.file.image_offset >= 1664U)
746 Read DPX orientation header.
748 dpx.orientation.x_offset=ReadBlobLong(image);
750 if (dpx.orientation.x_offset != ~0U)
751 (void) FormatImageProperty(image,"dpx:orientation.x_offset","%u",
752 dpx.orientation.x_offset);
753 dpx.orientation.y_offset=ReadBlobLong(image);
755 if (dpx.orientation.y_offset != ~0U)
756 (void) FormatImageProperty(image,"dpx:orientation.y_offset","%u",
757 dpx.orientation.y_offset);
758 dpx.orientation.x_center=ReadBlobFloat(image);
760 if (IsFloatDefined(dpx.orientation.x_center) != MagickFalse)
761 (void) FormatImageProperty(image,"dpx:orientation.x_center","%g",
762 dpx.orientation.x_center);
763 dpx.orientation.y_center=ReadBlobFloat(image);
765 if (IsFloatDefined(dpx.orientation.y_center) != MagickFalse)
766 (void) FormatImageProperty(image,"dpx:orientation.y_center","%g",
767 dpx.orientation.y_center);
768 dpx.orientation.x_size=ReadBlobLong(image);
770 if (dpx.orientation.x_size != ~0U)
771 (void) FormatImageProperty(image,"dpx:orientation.x_size","%u",
772 dpx.orientation.x_size);
773 dpx.orientation.y_size=ReadBlobLong(image);
775 if (dpx.orientation.y_size != ~0U)
776 (void) FormatImageProperty(image,"dpx:orientation.y_size","%u",
777 dpx.orientation.y_size);
778 offset+=ReadBlob(image,sizeof(dpx.orientation.filename),(unsigned char *)
779 dpx.orientation.filename);
780 if (*dpx.orientation.filename != '\0')
781 (void) FormatImageProperty(image,"dpx:orientation.filename","%.100s",
782 dpx.orientation.filename);
783 offset+=ReadBlob(image,sizeof(dpx.orientation.timestamp),(unsigned char *)
784 dpx.orientation.timestamp);
785 if (*dpx.orientation.timestamp != '\0')
786 (void) FormatImageProperty(image,"dpx:orientation.timestamp","%.24s",
787 dpx.orientation.timestamp);
788 offset+=ReadBlob(image,sizeof(dpx.orientation.device),(unsigned char *)
789 dpx.orientation.device);
790 if (*dpx.orientation.device != '\0')
791 (void) FormatImageProperty(image,"dpx:orientation.device","%.32s",
792 dpx.orientation.device);
793 offset+=ReadBlob(image,sizeof(dpx.orientation.serial),(unsigned char *)
794 dpx.orientation.serial);
795 if (*dpx.orientation.serial != '\0')
796 (void) FormatImageProperty(image,"dpx:orientation.serial","%.32s",
797 dpx.orientation.serial);
798 for (i=0; i < 4; i++)
800 dpx.orientation.border[i]=ReadBlobShort(image);
803 if ((dpx.orientation.border[0] != (unsigned short) (~0U)) &&
804 (dpx.orientation.border[1] != (unsigned short) (~0U)))
805 (void) FormatImageProperty(image,"dpx:orientation.border","%dx%d%+d%+d", dpx.orientation.border[0],dpx.orientation.border[1],
806 dpx.orientation.border[2],dpx.orientation.border[3]);
807 for (i=0; i < 2; i++)
809 dpx.orientation.aspect_ratio[i]=ReadBlobLong(image);
812 if ((dpx.orientation.aspect_ratio[0] != ~0U) &&
813 (dpx.orientation.aspect_ratio[1] != ~0U))
814 (void) FormatImageProperty(image,"dpx:orientation.aspect_ratio",
815 "%ux%u",dpx.orientation.aspect_ratio[0],
816 dpx.orientation.aspect_ratio[1]);
817 offset+=ReadBlob(image,sizeof(dpx.orientation.reserve),(unsigned char *)
818 dpx.orientation.reserve);
820 if (dpx.file.image_offset >= 1920U)
823 Read DPX film header.
825 offset+=ReadBlob(image,sizeof(dpx.film.id),(unsigned char *) dpx.film.id);
826 if (*dpx.film.type != '\0')
827 (void) FormatImageProperty(image,"dpx:film.id","%.2s",dpx.film.id);
828 offset+=ReadBlob(image,sizeof(dpx.film.type),(unsigned char *)
830 if (*dpx.film.type != '\0')
831 (void) FormatImageProperty(image,"dpx:film.type","%.2s",dpx.film.type);
832 offset+=ReadBlob(image,sizeof(dpx.film.offset),(unsigned char *)
834 if (*dpx.film.offset != '\0')
835 (void) FormatImageProperty(image,"dpx:film.offset","%.2s",
837 offset+=ReadBlob(image,sizeof(dpx.film.prefix),(unsigned char *)
839 if (*dpx.film.prefix != '\0')
840 (void) FormatImageProperty(image,"dpx:film.prefix","%.6s",
842 offset+=ReadBlob(image,sizeof(dpx.film.count),(unsigned char *)
844 if (*dpx.film.count != '\0')
845 (void) FormatImageProperty(image,"dpx:film.count","%.4s",
847 offset+=ReadBlob(image,sizeof(dpx.film.format),(unsigned char *)
849 if (*dpx.film.format != '\0')
850 (void) FormatImageProperty(image,"dpx:film.format","%.4s",
852 dpx.film.frame_position=ReadBlobLong(image);
854 if (dpx.film.frame_position != ~0U)
855 (void) FormatImageProperty(image,"dpx:film.frame_position","%u",
856 dpx.film.frame_position);
857 dpx.film.sequence_extent=ReadBlobLong(image);
859 if (dpx.film.sequence_extent != ~0U)
860 (void) FormatImageProperty(image,"dpx:film.sequence_extent","%u",
861 dpx.film.sequence_extent);
862 dpx.film.held_count=ReadBlobLong(image);
864 if (dpx.film.held_count != ~0U)
865 (void) FormatImageProperty(image,"dpx:film.held_count","%u",
866 dpx.film.held_count);
867 dpx.film.frame_rate=ReadBlobFloat(image);
869 if (IsFloatDefined(dpx.film.frame_rate) != MagickFalse)
870 (void) FormatImageProperty(image,"dpx:film.frame_rate","%g",
871 dpx.film.frame_rate);
872 dpx.film.shutter_angle=ReadBlobFloat(image);
874 if (IsFloatDefined(dpx.film.shutter_angle) != MagickFalse)
875 (void) FormatImageProperty(image,"dpx:film.shutter_angle","%g",
876 dpx.film.shutter_angle);
877 offset+=ReadBlob(image,sizeof(dpx.film.frame_id),(unsigned char *)
879 if (*dpx.film.frame_id != '\0')
880 (void) FormatImageProperty(image,"dpx:film.frame_id","%.32s",
882 offset+=ReadBlob(image,sizeof(dpx.film.slate),(unsigned char *)
884 if (*dpx.film.slate != '\0')
885 (void) FormatImageProperty(image,"dpx:film.slate","%.100s",
887 offset+=ReadBlob(image,sizeof(dpx.film.reserve),(unsigned char *)
890 if (dpx.file.image_offset >= 2048U)
893 Read DPX television header.
895 dpx.television.time_code=(unsigned int) ReadBlobLong(image);
897 TimeCodeToString(dpx.television.time_code,value);
898 (void) SetImageProperty(image,"dpx:television.time.code",value);
899 dpx.television.user_bits=(unsigned int) ReadBlobLong(image);
901 TimeCodeToString(dpx.television.user_bits,value);
902 (void) SetImageProperty(image,"dpx:television.user.bits",value);
903 dpx.television.interlace=(unsigned char) ReadBlobByte(image);
905 if (dpx.television.interlace != 0)
906 (void) FormatImageProperty(image,"dpx:television.interlace","%ld",(long)
907 dpx.television.interlace);
908 dpx.television.field_number=(unsigned char) ReadBlobByte(image);
910 if (dpx.television.field_number != 0)
911 (void) FormatImageProperty(image,"dpx:television.field_number","%ld",
912 (long) dpx.television.field_number);
913 dpx.television.video_signal=(unsigned char) ReadBlobByte(image);
915 if (dpx.television.video_signal != 0)
916 (void) FormatImageProperty(image,"dpx:television.video_signal","%ld",
917 (long) dpx.television.video_signal);
918 dpx.television.padding=(unsigned char) ReadBlobByte(image);
920 if (dpx.television.padding != 0)
921 (void) FormatImageProperty(image,"dpx:television.padding","%d",
922 dpx.television.padding);
923 dpx.television.horizontal_sample_rate=ReadBlobFloat(image);
925 if (IsFloatDefined(dpx.television.horizontal_sample_rate) != MagickFalse)
926 (void) FormatImageProperty(image,
927 "dpx:television.horizontal_sample_rate","%g",
928 dpx.television.horizontal_sample_rate);
929 dpx.television.vertical_sample_rate=ReadBlobFloat(image);
931 if (IsFloatDefined(dpx.television.vertical_sample_rate) != MagickFalse)
932 (void) FormatImageProperty(image,"dpx:television.vertical_sample_rate",
933 "%g",dpx.television.vertical_sample_rate);
934 dpx.television.frame_rate=ReadBlobFloat(image);
936 if (IsFloatDefined(dpx.television.frame_rate) != MagickFalse)
937 (void) FormatImageProperty(image,"dpx:television.frame_rate","%g",
938 dpx.television.frame_rate);
939 dpx.television.time_offset=ReadBlobFloat(image);
941 if (IsFloatDefined(dpx.television.time_offset) != MagickFalse)
942 (void) FormatImageProperty(image,"dpx:television.time_offset","%g",
943 dpx.television.time_offset);
944 dpx.television.gamma=ReadBlobFloat(image);
946 if (IsFloatDefined(dpx.television.gamma) != MagickFalse)
947 (void) FormatImageProperty(image,"dpx:television.gamma","%g",
948 dpx.television.gamma);
949 dpx.television.black_level=ReadBlobFloat(image);
951 if (IsFloatDefined(dpx.television.black_level) != MagickFalse)
952 (void) FormatImageProperty(image,"dpx:television.black_level","%g",
953 dpx.television.black_level);
954 dpx.television.black_gain=ReadBlobFloat(image);
956 if (IsFloatDefined(dpx.television.black_gain) != MagickFalse)
957 (void) FormatImageProperty(image,"dpx:television.black_gain","%g",
958 dpx.television.black_gain);
959 dpx.television.break_point=ReadBlobFloat(image);
961 if (IsFloatDefined(dpx.television.break_point) != MagickFalse)
962 (void) FormatImageProperty(image,"dpx:television.break_point","%g",
963 dpx.television.break_point);
964 dpx.television.white_level=ReadBlobFloat(image);
966 if (IsFloatDefined(dpx.television.white_level) != MagickFalse)
967 (void) FormatImageProperty(image,"dpx:television.white_level","%g",
968 dpx.television.white_level);
969 dpx.television.integration_times=ReadBlobFloat(image);
971 if (IsFloatDefined(dpx.television.integration_times) != MagickFalse)
972 (void) FormatImageProperty(image,"dpx:television.integration_times",
973 "%g",dpx.television.integration_times);
974 offset+=ReadBlob(image,sizeof(dpx.television.reserve),(unsigned char *)
975 dpx.television.reserve);
977 if (dpx.file.image_offset > 2080U)
980 Read DPX user header.
982 offset+=ReadBlob(image,sizeof(dpx.user.id),(unsigned char *) dpx.user.id);
983 if (*dpx.user.id != '\0')
984 (void) FormatImageProperty(image,"dpx:user.id","%.32s",dpx.user.id);
985 if ((dpx.file.user_size != ~0U) &&
986 ((size_t) dpx.file.user_size > sizeof(dpx.user.id)))
991 profile=AcquireStringInfo(dpx.file.user_size-sizeof(dpx.user.id));
992 offset+=ReadBlob(image,GetStringInfoLength(profile),
993 GetStringInfoDatum(profile));
994 (void) SetImageProfile(image,"dpx:user.data",profile);
995 profile=DestroyStringInfo(profile);
998 for ( ; offset < (long) dpx.file.image_offset; offset++)
999 (void) ReadBlobByte(image);
1001 Read DPX image header.
1003 if (image_info->ping != MagickFalse)
1005 (void) CloseBlob(image);
1006 return(GetFirstImageInList(image));
1009 Convert DPX raster image to pixel packets.
1011 samples_per_pixel=1;
1012 quantum_type=GrayQuantum;
1013 switch (component_type)
1015 case CbYCrY422ComponentType:
1017 samples_per_pixel=2;
1018 quantum_type=CbYCrYQuantum;
1021 case CbYACrYA4224ComponentType:
1022 case CbYCr444ComponentType:
1024 samples_per_pixel=3;
1025 quantum_type=CbYCrQuantum;
1028 case RGBComponentType:
1030 samples_per_pixel=3;
1031 quantum_type=RGBQuantum;
1034 case ABGRComponentType:
1035 case RGBAComponentType:
1037 image->matte=MagickTrue;
1038 samples_per_pixel=4;
1039 quantum_type=RGBAQuantum;
1045 switch (component_type)
1047 case CbYCrY422ComponentType:
1048 case CbYACrYA4224ComponentType:
1049 case CbYCr444ComponentType:
1051 image->colorspace=Rec709YCbCrColorspace;
1054 case LumaComponentType:
1056 image->colorspace=RGBColorspace;
1061 image->colorspace=RGBColorspace;
1062 if (dpx.image.image_element[0].transfer == LogarithmicColorimetric)
1063 image->colorspace=LogColorspace;
1064 if (dpx.image.image_element[0].transfer == PrintingDensityColorimetric)
1065 image->colorspace=LogColorspace;
1069 extent=GetBytesPerRow(image->columns,samples_per_pixel,image->depth,
1070 dpx.image.image_element[0].packing == 0 ? MagickFalse : MagickTrue);
1072 DPX any-bit pixel format.
1076 quantum_info=AcquireQuantumInfo(image_info,image);
1077 if (quantum_info == (QuantumInfo *) NULL)
1078 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
1079 SetQuantumQuantum(quantum_info,32);
1080 SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ?
1081 MagickTrue : MagickFalse);
1082 image_view=AcquireCacheView(image);
1083 #if defined(MAGICKCORE_OPENMP_SUPPORT) && (_OPENMP > 200505)
1084 #pragma omp parallel for schedule(static) shared(row,status,quantum_type)
1086 for (y=0; y < (long) image->rows; y++)
1094 register PixelPacket
1106 if (status == MagickFalse)
1108 pixels=GetQuantumPixels(quantum_info);
1109 #if defined(MAGICKCORE_OPENMP_SUPPORT) && (_OPENMP > 200505)
1110 #pragma omp critical (MagickCore_ReadDPXImage)
1113 count=ReadBlob(image,extent,pixels);
1114 if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
1115 (image->previous == (Image *) NULL))
1120 proceed=SetImageProgress(image,LoadImageTag,row,image->rows);
1121 if (proceed == MagickFalse)
1126 if (count != (ssize_t) extent)
1128 q=QueueCacheViewAuthenticPixels(image_view,0,offset,image->columns,1,
1130 if (q == (PixelPacket *) NULL)
1135 length=ImportQuantumPixels(image,image_view,quantum_info,quantum_type,
1137 sync=SyncCacheViewAuthenticPixels(image_view,exception);
1138 if (sync == MagickFalse)
1141 image_view=DestroyCacheView(image_view);
1142 quantum_info=DestroyQuantumInfo(quantum_info);
1143 if (status == MagickFalse)
1144 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
1145 SetQuantumImageType(image,quantum_type);
1146 if (EOFBlob(image) != MagickFalse)
1147 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
1149 (void) CloseBlob(image);
1150 return(GetFirstImageInList(image));
1154 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1158 % R e g i s t e r D P X I m a g e %
1162 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1164 % RegisterDPXImage() adds properties for the DPX image format to
1165 % the list of supported formats. The properties include the image format
1166 % tag, a method to read and/or write the format, whether the format
1167 % supports the saving of more than one frame to the same file or blob,
1168 % whether the format supports native in-memory I/O, and a brief
1169 % description of the format.
1171 % The format of the RegisterDPXImage method is:
1173 % unsigned long RegisterDPXImage(void)
1176 ModuleExport unsigned long RegisterDPXImage(void)
1184 "Digital Moving Picture Exchange Bitmap, Version 2.0.\n"
1185 "See SMPTE 268M-2003 specification at http://www.smtpe.org\n"
1188 entry=SetMagickInfo("DPX");
1189 entry->decoder=(DecodeImageHandler *) ReadDPXImage;
1190 entry->encoder=(EncodeImageHandler *) WriteDPXImage;
1191 entry->magick=(IsImageFormatHandler *) IsDPX;
1192 entry->adjoin=MagickFalse;
1193 entry->description=ConstantString("SMPTE 268M-2003 (DPX 2.0)");
1194 entry->note=ConstantString(DPXNote);
1195 entry->module=ConstantString("DPX");
1196 (void) RegisterMagickInfo(entry);
1197 return(MagickImageCoderSignature);
1201 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1205 % U n r e g i s t e r D P X I m a g e %
1209 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1211 % UnregisterDPXImage() removes format registrations made by the
1212 % DPX module from the list of supported formats.
1214 % The format of the UnregisterDPXImage method is:
1216 % UnregisterDPXImage(void)
1219 ModuleExport void UnregisterDPXImage(void)
1221 (void) UnregisterMagickInfo("DPX");
1225 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1229 % W r i t e D P X I m a g e %
1233 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1235 % WriteDPXImage() writes an image in DPX encoded image format.
1237 % The format of the WriteDPXImage method is:
1239 % MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image)
1241 % A description of each parameter follows.
1243 % o image_info: the image info.
1245 % o image: The image.
1249 static inline const char *GetDPXProperty(const ImageInfo *image_info,
1250 const Image *image,const char *property)
1255 value=GetImageOption(image_info,property);
1256 if (value != (const char *) NULL)
1258 return(GetImageProperty(image,property));
1261 static unsigned int StringToTimeCode(const char *key)
1276 for (i=0; (*key != 0) && (i < 11); i++)
1278 if (isxdigit((int) ((unsigned char) *key)) == 0)
1284 value|=(unsigned int) ((strtol(buffer,(char **) NULL,16)) << shift);
1290 static MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image)
1324 register const PixelPacket
1343 Open output image file.
1345 assert(image_info != (const ImageInfo *) NULL);
1346 assert(image_info->signature == MagickSignature);
1347 assert(image != (Image *) NULL);
1348 assert(image->signature == MagickSignature);
1349 if (image->debug != MagickFalse)
1350 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1351 horizontal_factor=4;
1353 if (image_info->sampling_factor != (char *) NULL)
1361 flags=ParseGeometry(image_info->sampling_factor,&geometry_info);
1362 horizontal_factor=(long) geometry_info.rho;
1363 vertical_factor=(long) geometry_info.sigma;
1364 if ((flags & SigmaValue) == 0)
1365 vertical_factor=horizontal_factor;
1366 if ((horizontal_factor != 1) && (horizontal_factor != 2) &&
1367 (horizontal_factor != 4) && (vertical_factor != 1) &&
1368 (vertical_factor != 2) && (vertical_factor != 4))
1369 ThrowWriterException(CorruptImageError,"UnexpectedSamplingFactor");
1371 if ((image->colorspace == YCbCrColorspace) &&
1372 ((horizontal_factor == 2) || (vertical_factor == 2)))
1373 if ((image->columns % 2) != 0)
1375 status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
1376 if (status == MagickFalse)
1381 (void) ResetMagickMemory(&dpx,0,sizeof(dpx));
1383 dpx.file.magic=0x53445058U;
1384 offset+=WriteBlobLong(image,dpx.file.magic);
1385 dpx.file.image_offset=0x2000U;
1386 profile=GetImageProfile(image,"dpx:user.data");
1387 if (profile != (StringInfo *) NULL)
1389 dpx.file.image_offset+=(unsigned int) GetStringInfoLength(profile);
1390 dpx.file.image_offset=(((dpx.file.image_offset+0x2000-1)/0x2000)*0x2000);
1392 offset+=WriteBlobLong(image,dpx.file.image_offset);
1393 (void) strncpy(dpx.file.version,"V2.0",sizeof(dpx.file.version));
1394 offset+=WriteBlob(image,8,(unsigned char *) &dpx.file.version);
1395 dpx.file.file_size=(unsigned int) (4U*image->columns*image->rows+
1396 dpx.file.image_offset);
1397 offset+=WriteBlobLong(image,dpx.file.file_size);
1398 dpx.file.ditto_key=1U; /* new frame */
1399 offset+=WriteBlobLong(image,dpx.file.ditto_key);
1400 dpx.file.generic_size=0x00000680U;
1401 offset+=WriteBlobLong(image,dpx.file.generic_size);
1402 dpx.file.industry_size=0x00000180U;
1403 offset+=WriteBlobLong(image,dpx.file.industry_size);
1404 dpx.file.user_size=0;
1405 if (profile != (StringInfo *) NULL)
1407 dpx.file.user_size+=(unsigned int) GetStringInfoLength(profile);
1408 dpx.file.user_size=(((dpx.file.user_size+0x2000-1)/0x2000)*0x2000);
1410 offset+=WriteBlobLong(image,dpx.file.user_size);
1411 value=GetDPXProperty(image_info,image,"dpx:file.filename");
1412 if (value != (const char *) NULL)
1413 (void) strncpy(dpx.file.filename,value,sizeof(dpx.file.filename));
1414 offset+=WriteBlob(image,sizeof(dpx.file.filename),(unsigned char *)
1416 seconds=time((time_t *) NULL);
1417 (void) FormatMagickTime(seconds,sizeof(dpx.file.timestamp),
1418 dpx.file.timestamp);
1419 offset+=WriteBlob(image,sizeof(dpx.file.timestamp),(unsigned char *)
1420 dpx.file.timestamp);
1421 (void) strncpy(dpx.file.creator,GetMagickVersion((unsigned long *) NULL),
1422 sizeof(dpx.file.creator));
1423 value=GetDPXProperty(image_info,image,"dpx:file.creator");
1424 if (value != (const char *) NULL)
1425 (void) strncpy(dpx.file.creator,value,sizeof(dpx.file.creator));
1426 offset+=WriteBlob(image,sizeof(dpx.file.creator),(unsigned char *)
1428 value=GetDPXProperty(image_info,image,"dpx:file.project");
1429 if (value != (const char *) NULL)
1430 (void) strncpy(dpx.file.project,value,sizeof(dpx.file.project));
1431 offset+=WriteBlob(image,sizeof(dpx.file.project),(unsigned char *)
1433 value=GetDPXProperty(image_info,image,"dpx:file.copyright");
1434 if (value != (const char *) NULL)
1435 (void) strncpy(dpx.file.copyright,value,
1436 sizeof(dpx.file.copyright));
1437 offset+=WriteBlob(image,sizeof(dpx.file.copyright),(unsigned char *)
1438 dpx.file.copyright);
1439 dpx.file.encrypt_key=(~0U);
1440 offset+=WriteBlobLong(image,dpx.file.encrypt_key);
1441 offset+=WriteBlob(image,sizeof(dpx.file.reserve),(unsigned char *)
1446 dpx.image.orientation=0x00; /* left-to-right; top-to-bottom */
1447 offset+=WriteBlobShort(image,dpx.image.orientation);
1448 dpx.image.number_elements=1;
1449 offset+=WriteBlobShort(image,dpx.image.number_elements);
1450 if ((image->columns != (unsigned int) image->columns) ||
1451 (image->rows != (unsigned int) image->rows))
1452 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
1453 offset+=WriteBlobLong(image,(unsigned int) image->columns);
1454 offset+=WriteBlobLong(image,(unsigned int) image->rows);
1455 for (i=0; i < 8; i++)
1457 dpx.image.image_element[i].data_sign=0U;
1458 offset+=WriteBlobLong(image,dpx.image.image_element[i].data_sign);
1459 dpx.image.image_element[i].low_data=0U;
1460 offset+=WriteBlobLong(image,dpx.image.image_element[i].low_data);
1461 dpx.image.image_element[i].low_quantity=0.0f;
1462 offset+=WriteBlobFloat(image,dpx.image.image_element[i].low_quantity);
1463 dpx.image.image_element[i].high_data=0U;
1464 offset+=WriteBlobLong(image,dpx.image.image_element[i].high_data);
1465 dpx.image.image_element[i].high_quantity=0.0f;
1466 offset+=WriteBlobFloat(image,dpx.image.image_element[i].high_quantity);
1467 dpx.image.image_element[i].descriptor=0;
1469 switch (image->colorspace)
1471 case Rec601YCbCrColorspace:
1472 case Rec709YCbCrColorspace:
1473 case YCbCrColorspace:
1475 dpx.image.image_element[i].descriptor=CbYCr444ComponentType;
1476 if (image->matte != MagickFalse)
1477 dpx.image.image_element[i].descriptor=CbYCrA4444ComponentType;
1482 dpx.image.image_element[i].descriptor=RGBComponentType;
1483 if (image->matte != MagickFalse)
1484 dpx.image.image_element[i].descriptor=RGBAComponentType;
1485 if ((image_info->type != TrueColorType) &&
1486 (image->matte == MagickFalse) &&
1487 (IsGrayImage(image,&image->exception) != MagickFalse))
1488 dpx.image.image_element[i].descriptor=LumaComponentType;
1492 offset+=WriteBlobByte(image,dpx.image.image_element[i].descriptor);
1493 dpx.image.image_element[i].transfer=0;
1494 if (image->colorspace == LogColorspace)
1495 dpx.image.image_element[0].transfer=PrintingDensityColorimetric;
1496 offset+=WriteBlobByte(image,dpx.image.image_element[i].transfer);
1497 dpx.image.image_element[i].colorimetric=0;
1498 offset+=WriteBlobByte(image,dpx.image.image_element[i].colorimetric);
1499 dpx.image.image_element[i].bit_size=0;
1501 dpx.image.image_element[i].bit_size=(unsigned char) image->depth;
1502 offset+=WriteBlobByte(image,dpx.image.image_element[i].bit_size);
1503 dpx.image.image_element[i].packing=0;
1504 if ((image->depth == 10) || (image->depth == 12))
1505 dpx.image.image_element[i].packing=1;
1506 offset+=WriteBlobShort(image,dpx.image.image_element[i].packing);
1507 dpx.image.image_element[i].encoding=0;
1508 offset+=WriteBlobShort(image,dpx.image.image_element[i].encoding);
1509 dpx.image.image_element[i].data_offset=0U;
1511 dpx.image.image_element[i].data_offset=dpx.file.image_offset;
1512 offset+=WriteBlobLong(image,dpx.image.image_element[i].data_offset);
1513 dpx.image.image_element[i].end_of_line_padding=0U;
1514 offset+=WriteBlobLong(image,dpx.image.image_element[i].end_of_line_padding);
1515 offset+=WriteBlobLong(image,
1516 dpx.image.image_element[i].end_of_image_padding);
1517 offset+=WriteBlob(image,sizeof(dpx.image.image_element[i].description),
1518 (unsigned char *) dpx.image.image_element[i].description);
1520 offset+=WriteBlob(image,sizeof(dpx.image.reserve),(unsigned char *)
1523 Write orientation header.
1525 if ((image->rows != image->magick_rows) ||
1526 (image->columns != image->magick_columns))
1529 These properties are not valid if image size changed.
1531 (void) DeleteImageProperty(image,"dpx:orientation.x_offset");
1532 (void) DeleteImageProperty(image,"dpx:orientation.y_offset");
1533 (void) DeleteImageProperty(image,"dpx:orientation.x_center");
1534 (void) DeleteImageProperty(image,"dpx:orientation.y_center");
1535 (void) DeleteImageProperty(image,"dpx:orientation.x_size");
1536 (void) DeleteImageProperty(image,"dpx:orientation.y_size");
1538 dpx.orientation.x_offset=0U;
1539 value=GetDPXProperty(image_info,image,"dpx:orientation.x_offset");
1540 if (value != (const char *) NULL)
1541 dpx.orientation.x_offset=(unsigned int) StringToUnsignedLong(value);
1542 offset+=WriteBlobLong(image,dpx.orientation.x_offset);
1543 dpx.orientation.y_offset=0U;
1544 value=GetDPXProperty(image_info,image,"dpx:orientation.y_offset");
1545 if (value != (const char *) NULL)
1546 dpx.orientation.y_offset=(unsigned int) StringToUnsignedLong(value);
1547 offset+=WriteBlobLong(image,dpx.orientation.y_offset);
1548 dpx.orientation.x_center=0.0f;
1549 value=GetDPXProperty(image_info,image,"dpx:orientation.x_center");
1550 if (value != (const char *) NULL)
1551 dpx.orientation.x_center=StringToDouble(value);
1552 offset+=WriteBlobFloat(image,dpx.orientation.x_center);
1553 dpx.orientation.y_center=0.0f;
1554 value=GetDPXProperty(image_info,image,"dpx:orientation.y_center");
1555 if (value != (const char *) NULL)
1556 dpx.orientation.y_center=StringToDouble(value);
1557 offset+=WriteBlobFloat(image,dpx.orientation.y_center);
1558 dpx.orientation.x_size=0U;
1559 value=GetDPXProperty(image_info,image,"dpx:orientation.x_size");
1560 if (value != (const char *) NULL)
1561 dpx.orientation.x_size=(unsigned int) StringToUnsignedLong(value);
1562 offset+=WriteBlobLong(image,dpx.orientation.x_size);
1563 dpx.orientation.y_size=0U;
1564 value=GetDPXProperty(image_info,image,"dpx:orientation.y_size");
1565 if (value != (const char *) NULL)
1566 dpx.orientation.y_size=(unsigned int) StringToUnsignedLong(value);
1567 offset+=WriteBlobLong(image,dpx.orientation.y_size);
1568 value=GetDPXProperty(image_info,image,"dpx:orientation.filename");
1569 if (value != (const char *) NULL)
1570 (void) strncpy(dpx.orientation.filename,value,
1571 sizeof(dpx.orientation.filename));
1572 offset+=WriteBlob(image,sizeof(dpx.orientation.filename),(unsigned char *)
1573 dpx.orientation.filename);
1574 offset+=WriteBlob(image,sizeof(dpx.orientation.timestamp),(unsigned char *)
1575 dpx.orientation.timestamp);
1576 value=GetDPXProperty(image_info,image,"dpx:orientation.device");
1577 if (value != (const char *) NULL)
1578 (void) strncpy(dpx.orientation.device,value,
1579 sizeof(dpx.orientation.device));
1580 offset+=WriteBlob(image,sizeof(dpx.orientation.device),(unsigned char *)
1581 dpx.orientation.device);
1582 offset+=WriteBlob(image,sizeof(dpx.orientation.serial),(unsigned char *)
1583 dpx.orientation.serial);
1584 for (i=0; i < 4; i++)
1585 dpx.orientation.border[i]=0;
1586 value=GetDPXProperty(image_info,image,"dpx:orientation.border");
1587 if (value != (const char *) NULL)
1589 flags=ParseGeometry(value,&geometry_info);
1590 if ((flags & SigmaValue) == 0)
1591 geometry_info.sigma=geometry_info.rho;
1592 dpx.orientation.border[0]=(unsigned short) (geometry_info.rho+0.5);
1593 dpx.orientation.border[1]=(unsigned short) (geometry_info.sigma+0.5);
1594 dpx.orientation.border[2]=(unsigned short) (geometry_info.xi+0.5);
1595 dpx.orientation.border[3]=(unsigned short) (geometry_info.psi+0.5);
1597 for (i=0; i < 4; i++)
1598 offset+=WriteBlobShort(image,dpx.orientation.border[i]);
1599 for (i=0; i < 2; i++)
1600 dpx.orientation.aspect_ratio[i]=0U;
1601 value=GetDPXProperty(image_info,image,"dpx:orientation.aspect_ratio");
1602 if (value != (const char *) NULL)
1604 flags=ParseGeometry(value,&geometry_info);
1605 if ((flags & SigmaValue) == 0)
1606 geometry_info.sigma=geometry_info.rho;
1607 dpx.orientation.aspect_ratio[0]=(unsigned int) (geometry_info.rho+0.5);
1608 dpx.orientation.aspect_ratio[1]=(unsigned int) (geometry_info.sigma+0.5);
1610 for (i=0; i < 2; i++)
1611 offset+=WriteBlobLong(image,dpx.orientation.aspect_ratio[i]);
1612 offset+=WriteBlob(image,sizeof(dpx.orientation.reserve),(unsigned char *)
1613 dpx.orientation.reserve);
1618 value=GetDPXProperty(image_info,image,"dpx:film.id");
1619 if (value != (const char *) NULL)
1620 (void) strncpy(dpx.film.id,value,sizeof(dpx.film.id));
1621 offset+=WriteBlob(image,sizeof(dpx.film.id),(unsigned char *) dpx.film.id);
1622 *dpx.film.type='\0';
1623 value=GetDPXProperty(image_info,image,"dpx:film.type");
1624 if (value != (const char *) NULL)
1625 (void) strncpy(dpx.film.type,value,sizeof(dpx.film.type));
1626 offset+=WriteBlob(image,sizeof(dpx.film.type),(unsigned char *)
1628 *dpx.film.offset='\0';
1629 value=GetDPXProperty(image_info,image,"dpx:film.offset");
1630 if (value != (const char *) NULL)
1631 (void) strncpy(dpx.film.offset,value,sizeof(dpx.film.offset));
1632 offset+=WriteBlob(image,sizeof(dpx.film.offset),(unsigned char *)
1634 *dpx.film.prefix='\0';
1635 value=GetDPXProperty(image_info,image,"dpx:film.prefix");
1636 if (value != (const char *) NULL)
1637 (void) strncpy(dpx.film.prefix,value,sizeof(dpx.film.prefix));
1638 offset+=WriteBlob(image,sizeof(dpx.film.prefix),(unsigned char *)
1640 *dpx.film.count='\0';
1641 value=GetDPXProperty(image_info,image,"dpx:film.count");
1642 if (value != (const char *) NULL)
1643 (void) strncpy(dpx.film.count,value,sizeof(dpx.film.count));
1644 offset+=WriteBlob(image,sizeof(dpx.film.count),(unsigned char *)
1646 *dpx.film.format='\0';
1647 value=GetDPXProperty(image_info,image,"dpx:film.format");
1648 if (value != (const char *) NULL)
1649 (void) strncpy(dpx.film.format,value,sizeof(dpx.film.format));
1650 offset+=WriteBlob(image,sizeof(dpx.film.format),(unsigned char *)
1652 dpx.film.frame_position=0U;
1653 value=GetDPXProperty(image_info,image,"dpx:film.frame_position");
1654 if (value != (const char *) NULL)
1655 dpx.film.frame_position=(unsigned int) StringToUnsignedLong(value);
1656 offset+=WriteBlobLong(image,dpx.film.frame_position);
1657 dpx.film.sequence_extent=0U;
1658 value=GetDPXProperty(image_info,image,"dpx:film.sequence_extent");
1659 if (value != (const char *) NULL)
1660 dpx.film.sequence_extent=(unsigned int) StringToUnsignedLong(value);
1661 offset+=WriteBlobLong(image,dpx.film.sequence_extent);
1662 dpx.film.held_count=0U;
1663 value=GetDPXProperty(image_info,image,"dpx:film.held_count");
1664 if (value != (const char *) NULL)
1665 dpx.film.held_count=(unsigned int) StringToUnsignedLong(value);
1666 offset+=WriteBlobLong(image,dpx.film.held_count);
1667 dpx.film.frame_rate=0.0f;
1668 value=GetDPXProperty(image_info,image,"dpx:film.frame_rate");
1669 if (value != (const char *) NULL)
1670 dpx.film.frame_rate=StringToDouble(value);
1671 offset+=WriteBlobFloat(image,dpx.film.frame_rate);
1672 dpx.film.shutter_angle=0.0f;
1673 value=GetDPXProperty(image_info,image,"dpx:film.shutter_angle");
1674 if (value != (const char *) NULL)
1675 dpx.film.shutter_angle=StringToDouble(value);
1676 offset+=WriteBlobFloat(image,dpx.film.shutter_angle);
1677 *dpx.film.frame_id='\0';
1678 value=GetDPXProperty(image_info,image,"dpx:film.frame_id");
1679 if (value != (const char *) NULL)
1680 (void) strncpy(dpx.film.frame_id,value,sizeof(dpx.film.frame_id));
1681 offset+=WriteBlob(image,sizeof(dpx.film.frame_id),(unsigned char *)
1683 value=GetDPXProperty(image_info,image,"dpx:film.slate");
1684 if (value != (const char *) NULL)
1685 (void) strncpy(dpx.film.slate,value,sizeof(dpx.film.slate));
1686 offset+=WriteBlob(image,sizeof(dpx.film.slate),(unsigned char *)
1688 offset+=WriteBlob(image,sizeof(dpx.film.reserve),(unsigned char *)
1691 Write television header.
1693 value=GetDPXProperty(image_info,image,"dpx:television.time.code");
1694 if (value != (const char *) NULL)
1695 dpx.television.time_code=StringToTimeCode(value);
1696 offset+=WriteBlobLong(image,dpx.television.time_code);
1697 value=GetDPXProperty(image_info,image,"dpx:television.user.bits");
1698 if (value != (const char *) NULL)
1699 dpx.television.user_bits=StringToTimeCode(value);
1700 offset+=WriteBlobLong(image,dpx.television.user_bits);
1701 value=GetDPXProperty(image_info,image,"dpx:television.interlace");
1702 if (value != (const char *) NULL)
1703 dpx.television.interlace=(unsigned char) StringToLong(value);
1704 offset+=WriteBlobByte(image,dpx.television.interlace);
1705 value=GetDPXProperty(image_info,image,"dpx:television.field_number");
1706 if (value != (const char *) NULL)
1707 dpx.television.field_number=(unsigned char) StringToLong(value);
1708 offset+=WriteBlobByte(image,dpx.television.field_number);
1709 dpx.television.video_signal=0;
1710 value=GetDPXProperty(image_info,image,"dpx:television.video_signal");
1711 if (value != (const char *) NULL)
1712 dpx.television.video_signal=(unsigned char) StringToLong(value);
1713 offset+=WriteBlobByte(image,dpx.television.video_signal);
1714 dpx.television.padding=0;
1715 value=GetDPXProperty(image_info,image,"dpx:television.padding");
1716 if (value != (const char *) NULL)
1717 dpx.television.padding=(unsigned char) StringToLong(value);
1718 offset+=WriteBlobByte(image,dpx.television.padding);
1719 dpx.television.horizontal_sample_rate=0.0f;
1720 value=GetDPXProperty(image_info,image,
1721 "dpx:television.horizontal_sample_rate");
1722 if (value != (const char *) NULL)
1723 dpx.television.horizontal_sample_rate=StringToDouble(value);
1724 offset+=WriteBlobFloat(image,dpx.television.horizontal_sample_rate);
1725 dpx.television.vertical_sample_rate=0.0f;
1726 value=GetDPXProperty(image_info,image,"dpx:television.vertical_sample_rate");
1727 if (value != (const char *) NULL)
1728 dpx.television.vertical_sample_rate=StringToDouble(value);
1729 offset+=WriteBlobFloat(image,dpx.television.vertical_sample_rate);
1730 dpx.television.frame_rate=0.0f;
1731 value=GetDPXProperty(image_info,image,"dpx:television.frame_rate");
1732 if (value != (const char *) NULL)
1733 dpx.television.frame_rate=StringToDouble(value);
1734 offset+=WriteBlobFloat(image,dpx.television.frame_rate);
1735 dpx.television.time_offset=0.0f;
1736 value=GetDPXProperty(image_info,image,"dpx:television.time_offset");
1737 if (value != (const char *) NULL)
1738 dpx.television.time_offset=StringToDouble(value);
1739 offset+=WriteBlobFloat(image,dpx.television.time_offset);
1740 dpx.television.gamma=0.0f;
1741 value=GetDPXProperty(image_info,image,"dpx:television.gamma");
1742 if (value != (const char *) NULL)
1743 dpx.television.gamma=StringToDouble(value);
1744 offset+=WriteBlobFloat(image,dpx.television.gamma);
1745 dpx.television.black_level=0.0f;
1746 value=GetDPXProperty(image_info,image,"dpx:television.black_level");
1747 if (value != (const char *) NULL)
1748 dpx.television.black_level=StringToDouble(value);
1749 offset+=WriteBlobFloat(image,dpx.television.black_level);
1750 dpx.television.black_gain=0.0f;
1751 value=GetDPXProperty(image_info,image,"dpx:television.black_gain");
1752 if (value != (const char *) NULL)
1753 dpx.television.black_gain=StringToDouble(value);
1754 offset+=WriteBlobFloat(image,dpx.television.black_gain);
1755 dpx.television.break_point=0.0f;
1756 value=GetDPXProperty(image_info,image,"dpx:television.break_point");
1757 if (value != (const char *) NULL)
1758 dpx.television.break_point=StringToDouble(value);
1759 offset+=WriteBlobFloat(image,dpx.television.break_point);
1760 dpx.television.white_level=0.0f;
1761 value=GetDPXProperty(image_info,image,"dpx:television.white_level");
1762 if (value != (const char *) NULL)
1763 dpx.television.white_level=StringToDouble(value);
1764 offset+=WriteBlobFloat(image,dpx.television.white_level);
1765 dpx.television.integration_times=0.0f;
1766 value=GetDPXProperty(image_info,image,"dpx:television.integration_times");
1767 if (value != (const char *) NULL)
1768 dpx.television.integration_times=StringToDouble(value);
1769 offset+=WriteBlobFloat(image,dpx.television.integration_times);
1770 offset+=WriteBlob(image,sizeof(dpx.television.reserve),(unsigned char *)
1771 dpx.television.reserve);
1775 value=GetDPXProperty(image_info,image,"dpx:user.id");
1776 if (value != (const char *) NULL)
1777 (void) strncpy(dpx.user.id,value,sizeof(dpx.user.id));
1778 offset+=WriteBlob(image,sizeof(dpx.user.id),(unsigned char *) dpx.user.id);
1779 if (profile != (StringInfo *) NULL)
1780 offset+=WriteBlob(image,GetStringInfoLength(profile),
1781 GetStringInfoDatum(profile));
1782 while (offset < (MagickOffsetType) dpx.image.image_element[0].data_offset)
1784 count=WriteBlobByte(image,0x00);
1787 ThrowFileException(&image->exception,FileOpenError,"UnableToWriteFile",
1794 Convert pixel packets to DPX raster image.
1796 quantum_info=AcquireQuantumInfo(image_info,image);
1797 SetQuantumQuantum(quantum_info,32);
1798 SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ?
1799 MagickTrue : MagickFalse);
1800 quantum_type=RGBQuantum;
1801 if (image->matte != MagickFalse)
1802 quantum_type=RGBAQuantum;
1803 if (image->colorspace == YCbCrColorspace)
1805 quantum_type=CbYCrQuantum;
1806 if (image->matte != MagickFalse)
1807 quantum_type=CbYCrAQuantum;
1808 if ((horizontal_factor == 2) || (vertical_factor == 2))
1809 quantum_type=CbYCrYQuantum;
1811 extent=GetBytesPerRow(image->columns,image->matte != MagickFalse ? 4UL : 3UL,
1812 image->depth,MagickTrue);
1813 if ((image_info->type != TrueColorType) && (image->matte == MagickFalse) &&
1814 (IsGrayImage(image,&image->exception) != MagickFalse))
1816 quantum_type=GrayQuantum;
1817 extent=GetBytesPerRow(image->columns,1UL,image->depth,MagickTrue);
1819 pixels=GetQuantumPixels(quantum_info);
1820 for (y=0; y < (long) image->rows; y++)
1822 p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
1823 if (p == (const PixelPacket *) NULL)
1825 (void) ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info,
1826 quantum_type,pixels,&image->exception);
1827 count=WriteBlob(image,extent,pixels);
1828 if (count != (ssize_t) extent)
1830 status=SetImageProgress(image,SaveImageTag,y,image->rows);
1831 if (status == MagickFalse)
1834 quantum_info=DestroyQuantumInfo(quantum_info);
1835 (void) CloseBlob(image);